<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>后台管理</title>
</head>
<%
Object username = session.getAttribute("username");
if (username==null){
    response.sendRedirect("login.jsp");
}

%>
<body>
<h1>管理员<%=username%>,欢迎你</h1>
</body>
</html>
